/* --- VARIABLES ET RESET --- */
:root {
    --primary-bg: #0f172a;
    --accent: #6c5ce7;
    --white: #ffffff;
    --text-gray: #dfe6e9;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', sans-serif;
    background: #f4f7f6;
    color: #333;
}

/* --- MENU HAMBURGER --- */
nav {
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 1000;
}

#menu-toggle {
    display: none;
}

.hamburger {
    display: block;
    width: 45px;
    height: 45px;
    cursor: pointer;
    background: var(--white);
    border-radius: 10px;
    padding: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.hamburger span {
    display: block;
    width: 100%;
    height: 3px;
    background: var(--primary-bg);
    margin: 5px 0;
    transition: 0.3s;
}

.menu-items {
    position: absolute;
    top: 55px;
    left: 0;
    background: var(--white);
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
    list-style: none;
    transform: translateX(-160%);
    transition: 0.5s cubic-bezier(0.68, -0.55, 0.27, 1.55);
}

#menu-toggle:checked ~ .menu-items {
    transform: translateX(0);
}

.menu-items li {
    margin: 15px 0;
}

.menu-items a {
    text-decoration: none;
    color: var(--primary-bg);
    font-weight: bold;
}

/* --- SECTION HERO --- */
.hero {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: var(--white);
    padding: 100px 20px;
    text-align: center;
    min-height: 400px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2rem;
    max-width: 700px;
    color: var(--text-gray);
}

/* --- CARTES (DETAILS) --- */
.container {
    display: flex;
    gap: 25px;
    justify-content: center;
    flex-wrap: wrap;
    padding: 50px 20px;
    margin-top: -50px;
}

details {
    background: var(--white);
    border-radius: 15px;
    padding: 30px;
    width: 320px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    cursor: pointer;
    transition: 0.3s;
}

details[open] {
    transform: translateY(-10px);
}

summary {
    list-style: none;
    font-weight: bold;
    font-size: 1.2rem;
    text-align: center;
    outline: none;
}

summary::-webkit-details-marker {
    display: none;
}

.icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 15px;
}

.content {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #eee;
    color: #636e72;
    line-height: 1.7;
}

/* --- CHAT --- */
.cat-footer {
    text-align: center;
    padding: 40px 0;
}

.gif-chat {
    width: 150px;
    border-radius: 20px;
}